Headache & Pain
Primary headache associated with sexual activity
Sep. 07, 2021
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Kainic acid, or kainate, occurs naturally in some seaweed. Kainic acid is a potent neuroexcitatory amino acid agonist that acts by activating receptors for glutamate, the principal excitatory neurotransmitter in the central nervous system. (Illustration created by Edgar181 on October 30, 2007. Public domain.)